Definitions:
engage in activity for enjoyment and recreation rather than a serious or practical purpose

take part in (a sport)

be cooperative

represent (a character) in a theatrical performance or a film

perform on (a musical instrument)

move lightly and quickly, so as to appear and disappear; flicker

allow (a fish) to exhaust itself pulling against a line before reeling it in

activity engaged in for enjoyment and recreation, especially by children

the conducting of a sporting match

a dramatic work for the stage or to be broadcast

the space in or through which a mechanism can or does move

light and constantly changing movement